From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
List of part modifications and their manufacturing and design status.
| Identifier | ExFiles\Box 92\6\ scan0237 | |
| Date | 28th February 1938 | |
| -2- Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}4/MH.{M. Huckerby}28.2.38. | Description of Part. | Manufactured. | Details Req'd.{John DeLooze - Company Secretary} | Design Req'd.{John DeLooze - Company Secretary} | |---|---|---|---| | Forward tilted carburetter. .058 jet. | Yes but not drawn. | Yes | Yes | | Single ball valve drain for carburetter. | | | Yes | | Duprene glands to protect needles in front suspension. SCD.318. | Yes. | | | | Threaded shackles. | | | Yes | | Replace normal front cross member. | Yes. | | | | Rear Axle: 8/34 gears with hardened pinion nose. Half shafts which ran in France in 32-EX. Wheel drivers Part 3 of N.Sch.5139 Hubs G.85587/8 | Yes. Yes. Yes. Yes. | | | | Gear box: No.15.HS.{Lord Ernest Hives - Chair} modified to latest LOP with brass bushes. | Yes. | | | | Jacks: Lockheed front on dural brackets which ran on 35-EX. D.W.S. rear wraith tank | Yes. Yes. Yes. | | | | Steering Gear Wraith Type. (1) New steering box and mounting as now being drawn. (2) Adjusting sleeve Fv.906 lengthened + 0.050 to suit new box. | | Yes. | Yes | | ||